Transparent red ‐emitting silicone resin for color conversion and encapsulation of NUV light‐emitting diodes

Herein, a novel transparent phenyl vinyl silicone resin nanocomposite containing exfoliated fluorescent Eu‐containing hydrotalcite‐like compound (EFHSN) is developed to serve as a dual role of color conversion and encapsulation material. Excited by near‐NUV light, the EFHSN emits a strong characteri...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2019-05, Vol.102 (5), p.2718-2726
Main Authors: Chen, Hong, Wang, Yao, Lin, Jianhui, Shuai, Minmin, Zhu, Haidi, Zhang, Wengong, Ling, Qidan
Format: Article
Language:English
Subjects:
Conversion
Diodes
Encapsulation
exfoliation
Fluorescence
layered double hydroxides
light‐emitting diodes
Nanocomposites
Optoelectronic devices
Organic light emitting diodes
Refractivity
silicone
Silicone resins
Thermal stability
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Summary:Herein, a novel transparent phenyl vinyl silicone resin nanocomposite containing exfoliated fluorescent Eu‐containing hydrotalcite‐like compound (EFHSN) is developed to serve as a dual role of color conversion and encapsulation material. Excited by near‐NUV light, the EFHSN emits a strong characteristic red light (614 nm). Meanwhile, the EFHSN shows not only excellent transparency (T > 95%) in the UV‐Vis region and high refractive index (1.46) but also superior thermal stability, which could meet the need of commercial encapsulation materials and optical application. Therefore, the EFHSN is expected to be used in InGaN‐based NUV light‐emitting diodes and flexible optoelectronic device. Schematic illustration of the processes involved in the synthesis of the EFHSN and the application of the EFHSN.
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.16140